SUNFLOWER PRODUCTION
Introduction
Sunflower production has been faced by challenges such as poor management during production, bird damage, non-certified seeds/farm saved seeds. To increase production always ensure you buy seeds from a registered supplier and that seeds are certified.
Why certified seeds have a better performance in the field?
How to plant sunflower?
You need 2kg per acre @ksh 215 per kg Kenya Fedha .
Place each seed in a hole, well ploughed soil mixed with manure and fertilizer and cover lightly.
Spacing 75cmx25cm
D.A.P or any other phosphatic fertilizer is recommended 50kg/acre or less.
Its roots are well adapted for nutrients absorption this is why deep ploughing is encouraged
The seeds will germinate after 7 days. Ensure the seeds get all conditions necessary for germination to avoid failure.
What are Field Management carried out?
It is done manually or by use of recommended herbicide
Done 2-3 weeks after germination and a repeat after 4-5 weeks
This is removing some plants that are not wanted to give more space to the others to grow.
It is done when they are about 15cm tall during the first weeding.
Common diseases include;
Yellow blotch –causes yellowing and distortion of leaves /flowers
Control by uprooting and disposing off the plant and also by applying insecticides to control pests that spread it.
Sclerotinia wilt-causes rotting of the plant; stem,Leaves, and head
Crop rotation is also very important to break the disease cycles
Fungicides are also recommended for fungal diseases such as mildews
Common pests include;
Birds
These are natural friendly pests that can’t be killed but they can be controlled by three ways
a)Plant sunflower in large scale(or a group of farmers)
b) Enclose the sunflower cake in each plant. Though may be tedious
c) Scaring them away
Thrips, Aphids, American bollworm among other pests
Use insecticides control thrips and other pests
At top dressing use Nitrogenous fertilizer
How to harvest when fully matured?
For more information;
Simlaw Seeds Company Ltd
P.O Box 40042-00100, NAIROBI
Tel 0722200545
0734811861